# BlueBook - Aquarium Fish Guide — 2,600 species: tankmates, care

> Aquarium fish and invertebrate encyclopedia with detailed care and compatibility information. (iPhone/iPad app by HIROMASA SUZUKI.)

- Source: https://appshunter.io/ios/app/bluebook-aquarium-fish-guide/id1332979493 (this page in markdown: same URL + `.md`)
- Developer: [HIROMASA SUZUKI](https://appshunter.io/developer/1332979492)
- Category: Reference, Lifestyle
- Price: $9.99
- Age rating: 4+
- Requires: iOS 17.0 · 36 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish and 1 more
- Released: 2018-07-28
- Data updated: 2026-10-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/bluebook-aquarium-fish-guide/id1332979493/reviews.md

## What is BlueBook?

An aquarium encyclopedia for saltwater, brackish and freshwater fish, coral, invertebrates and plants, with photos.

COVERS 2,700 SPECIES
Browse by saltwater, brackish or freshwater, then by fish, coral, invertebrates or plants.

CARE INFO AT A GLANCE
Every species shows its care level, temperature, pH, lifespan, recommended tank size, compatibility with coral or plants, temperament, diet and distribution.

PHOTOS AND VIDEOS
Search photos and videos of any species right from its page.

EASY TO USE
- See each group's overview: temperament, diet, disease and water conditions
- Save favorites and come back to them later
- Switch between list and grid views
- Light, dark, or follow your device

MULTILINGUAL
Species descriptions are available in Japanese, English, German, Spanish, French, Italian, Korean, Portuguese, Russian, and Chinese (Simplified and Traditional).

Great for anyone who wants to
- learn a fish's name
- search by features or color
- choose by how easy it is to keep
- check tank-mate compatibility

## Key features

- 2,700+ species coverage
- Detailed care information
- Tank-mate compatibility
- Photos and videos
- Multilingual support
- Favorites list
- Light/dark mode

## Is BlueBook safe?

Not enough ratings yet to assess BlueBook.

## Is BlueBook legit?

BlueBook - Aquarium Fish Guide appears to be a legitimate app. The AppsHunter Legitimacy Score for BlueBook is 83 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/bluebook-aquarium-fish-guide/id1332979493/reviews.md

### 3/5 — ブログが見られない(落ちる)

*2020-10-17*

iOS14ですが、ブログを開こうとするとアプリが落ちます。対応して欲しいですね。

### 5/5 — 詳しい情報が載っている

*2019-04-05*

他の通販ショップよりも詳しい情報が写真つきで乗ってて、図鑑アプリとして使っている。

### 5/5 — ショップでの検索に使っている

*2019-03-25*

ショップでタンクメイトを探す際、より詳しい情報で検索できるので使ってます。

### 5/5 — アプリだからか電波の弱いショップでもサクサク検索

*2019-02-06*

アプリだからか電波の弱いショップでもサクサク検索できる。
釣りやショップなどで遠出した際に魚の同定に使える。

### 5/5 — 色や気性などいろんな情報をもとに検索できて絞り込める

*2018-10-11*

色や気性などいろんな情報をもとに検索できて絞り込めるのは画期的。

### 5/5 — 魚の色で検索できたり新しい

*2018-08-27*

魚の色で検索できたり、飼育の難易度がわかったりでめっちゃ使いやすい。検索もさくさくできる。今までの図鑑アプリ的なので一番いけてる

## Frequently asked questions about BlueBook

### What is the price of BlueBook?

BlueBook is a paid application, available for a one-time purchase of $9.99. This price grants you full access to all its features and content without any additional subscription fees.

### Does BlueBook have ads?

No, BlueBook is ad-free. You can enjoy the full aquarium encyclopedia experience without any interruptions from advertisements.

### What types of aquatic life does BlueBook cover?

BlueBook covers over 2,700 species, including saltwater, brackish, and freshwater fish, as well as corals, invertebrates, and plants. It provides comprehensive details for each.

### What devices is BlueBook compatible with?

BlueBook is currently supported on iPhones. Future updates may expand compatibility to other devices.

### How often is BlueBook updated?

The latest version of BlueBook was released on October 13, 2026, indicating a recent update. The app was initially released on July 28, 2018, and has received updates since then.

### Can I save my favorite species in BlueBook?

Yes, BlueBook allows you to save your favorite species to a dedicated list. This makes it easy to revisit information on aquatic life you are particularly interested in.

### What languages does BlueBook support?

BlueBook offers species descriptions in multiple languages, including Japanese, English, German, Spanish, French, Italian, Korean, Portuguese, Russian, and Chinese (Simplified and Traditional).

### What age rating is BlueBook suitable for?

BlueBook has an age rating of 4+, making it suitable for young users and families interested in learning about aquatic life.

## Version history (last 5 releases)

### 2.0.2 — 2026-10-13

Added tags for searching by the type of algae eaten.

### 2.0.1 — 2026-10-13

Updated the app screenshots.

### 2.0.0 — 2026-09-29

A major update: BlueBook 2.0

- Now covers 2,700 species
- Browse by saltwater, brackish, and freshwater, then by fish, coral, invertebrates, and plants
- Care requirements on every species page: care level, temperature, pH, lifespan, recommended tank size, and compatibility
- Search photos and videos for any species right from its page
- Group overviews on temperament, diet, disease, and water conditions
- Switch between list and grid views
- Appearance: light, dark, or follow the system
- Species descriptions in Japanese, English, German, Spanish, French, Italian, Korean, Portuguese, Russian, and Chinese (Simplified/Traditional)
- Redesigned interface and improved performance

### 1.3.0 — 2018-07-13

A few bug fixed.

### 1.2.0 — 2018-07-13

A few bug fixed.

## Related topics

[fish guide](https://appshunter.io/ios/topics/fish-guide)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*